Fig. 2: Possible outcomes in the cyclization of enediynes. | Communications Chemistry

Fig. 2: Possible outcomes in the cyclization of enediynes.

From: Zwitterionic Bergman cyclization triggered polymerization gives access to metal-graphene nanoribbons using a boron metal couple

Fig. 2: Possible outcomes in the cyclization of enediynes.The alternative text for this image may have been generated using AI.

The left box shows the conventional C1–C6 Bergman (BC) and C1–C5 Schreiner–Pascal (SP) cyclizations giving diradicals. The top right depicts the dual Au(I)-catalyzed zwitterionic version of BC, and the bottom right box shows the present work on the boron-Au(I) triggered zwitterionic BC and SP cyclizations.

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